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How do I add subtitle in an image with decklink SDI?

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Robert Pattinson
How do I add subtitle in an image with decklink SDI?
on Mar 25, 2012 at 8:42:22 am

I am using decklink SDI to display video.

I use IDeckLinkOutput::DisplayVideoFrameSync method to display each image.

Now I need to add subtitle in images, how can I do it?

I found IDeckLinkOutput::CreateAncillaryData method in Blackmagic Decklink SDK.pdf, but there is no example code for it, I don't know what ancillary data can do, neither how to.

So, how can I add subtitle to images when I display them?


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